The blue colored foam allows you to
center punch extra pilots in a plastic storage case
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials
For use with Hougen® Portable Magnetic Drills and many competitive models on materials up to 275 BHN (28
Spot weld Removal
Hougen 14005C Holcutter Kit Includes: Arbor, Pilots, Hex Washer, instructions, and HSS Holcutters: 7/8, 1-1/8, 1-3/8, 1-3/4, 2 & 2-1/2" Holecutter Arbor The blue colored foam allowsHolcutters are not hole saws. They're precision ground, heat treated tools that easily cut thru the stock rather than ripping, tearing, and pushing thru as do typical hole saws. They can produce holes three times faster and cleaner than hole saws in sheet metal and have dramatically extended tool life, too. All sizes have a "shoulder" to prevent plunge thru, which is especially useful when drilling into live electrical boxes. See for yourself why